NCT07298187Completed
The Effect of Head Position on the Optik Nerve Sheath Diameter in Patients During Thyroid Surgery
Source: ClinicalTrials.gov · Last updated 23 Dec 2025
Brief summary (registry, in English)
THE EFFECT OF HEAD POSİTİON ON THE OPTİC NERVE SHEATH DİAMETER İN PATİENTS DURİNG THYROİD SURGERY
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 49 (actual)
- First submitted
- 9 Dec 2025
- Start date
- 1 Apr 2025
- Primary completion date
- 30 Sept 2025
- Lead sponsor
- Istanbul University - Cerrahpasa
- Diseases
- Thyroid cancer
- NCT number
- NCT07298187
What you commit to
- Study type: Observational
- Participants enrolled: 49
- From 1 Apr 2025 to the primary completion date, 30 Sept 2025
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- liver failure
- kidney failure
- history of hydrocephalus,
- chronic hypoxemia or hypercarbic lung disease
- additional heart disease
- hemodynamic insufficiency
- neurological and psychiatric diseases,
- patients with diseases such as periorbital cellulitis
- patients with known diseases that could cause increased intracranial pressure
Other
- intracranial masses
- migraine
- glaucoma
- patients in whom ocular USG could not provide adequate images
- patients with pathological problems involving the eyelid and its surrounding area
- patients with preoperative headache complaints
- patients who refused to participate in the study were excluded from the study.
Who the study is looking for
- Patients aged between 18 and 65, with an ASA score between 1 and 2 according to the American Society of Anesthesiologists (ASA) physical status classification system
- whose surgery duration was expected to be less than 4 hours were included in our study.
Age in the registry: 18 years to 65 years · Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| İstanbul University-Cerrahpaşa Coordinator of this site? Confirm its status | Istanbul | Turkey (Türkiye) | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.